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Spin transport at finite temperatures: A first-principles study for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mtext>ferromagnetic</mml:mtext><mml:mo>|</mml:mo><mml:mtext>nonmagnetic</mml:mtext></mml:math> interfaces
When a current is passed from Pt through a ferromagnetic metal like Co (or permalloy) into another layer of Pt, then the charge current first acquires then loses spin polarization on a length scale determined by spin-orbit coupling and disorder, alloy disorder, temperature-induced lattice or spin disorder, or the disorder …